/*
 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package java.security.spec;

import java.math.BigInteger;

/**
 * This class specifies the set of parameters used with the DSA algorithm.
 *
 * @author Jan Luehe
 * @see AlgorithmParameterSpec
 * @since 1.2
 */

public class DSAParameterSpec implements AlgorithmParameterSpec,
    java.security.interfaces.DSAParams {

  BigInteger p;
  BigInteger q;
  BigInteger g;

  /**
   * Creates a new DSAParameterSpec with the specified parameter values.
   *
   * @param p the prime.
   * @param q the sub-prime.
   * @param g the base.
   */
  public DSAParameterSpec(BigInteger p, BigInteger q, BigInteger g) {
    this.p = p;
    this.q = q;
    this.g = g;
  }

  /**
   * Returns the prime {@code p}.
   *
   * @return the prime {@code p}.
   */
  public BigInteger getP() {
    return this.p;
  }

  /**
   * Returns the sub-prime {@code q}.
   *
   * @return the sub-prime {@code q}.
   */
  public BigInteger getQ() {
    return this.q;
  }

  /**
   * Returns the base {@code g}.
   *
   * @return the base {@code g}.
   */
  public BigInteger getG() {
    return this.g;
  }
}
